10-Pack Loose Ceramic Balls 29/64" (11.509mm) ZrO2 G10 Bearing Balls

29/64" Loose Ceramic Balls ZrO2 (zirconium Oxide), this is a popular size that could be used in many Bicycle, Balls are made from high-strength Ceramic ZrO2.

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• Size: 11.509mm = 29/64" inch
• Material: Zirconia （ZrO2）（二酸化ジルコニウム）
• Quantity: Pack of 10 Balls